Sign support



FIG. 1 is a front-perspective view of a sign support according to the invention;

FIG. 2 is a top plan view of the sign support;

FIG. 3 is a rear elevational view of the sign support, the front elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view of the sign support; and,

FIG. 5 is a left side elevational view of the sign support of FIG. 1, the right side elevational view being a mirror image thereof.

In the Drawings the broken lines showing of the signs in FIG. 1 forms no part of the claimed design. 

The ornamental design for sign support, as shown and described. 